Final answer:
Isoniazid, a drug used in the treatment of tuberculosis, can have side effects such as hepatotoxicity (liver damage) and neurotoxicity (nervous system damage).
Step-by-step explanation:
Isoniazid, a drug used in the treatment of tuberculosis, can have several side effects. Two common side effects of isoniazid use include hepatotoxicity, which is liver damage, and neurotoxicity, which affects the nervous system. Hepatotoxicity can manifest as elevated liver enzymes, jaundice, or liver failure. Neurotoxicity can cause symptoms such as dizziness, headache, and seizures.